Question

Write down in terms of n, an expression for the nth term of the following sequences: a) 1 8 15 22 29 B) 12 16 20 24 28

Answer 1

A)

Sequence: 1 , 8 , 15 , 22 , 29

Difference : 7

Back one : -6

Expression : 7n-6

B)

Sequence: 12 , 16 , 20 , 24 , 28

Difference : 4

Back one : 8

Expression : 4n+8